Is it true that chemical changes take place due to the change in molecular changes in the chemical properties?

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True

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answer is A.

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Detailed Solution

The above statement is true.
Chemical changes take place due to the change in molecular changes in chemical properties. Mostly, chemical changes are irreversible in nature because chemical changes result in the formation of new substances. Chemical changes are changes in which a new substance is formed as the chemical properties of a substance are altered. They are irreversible changes. The burning of coal is an irreversible chemical change. Burning of coal produces carbon dioxide gas. A new substance is formed as there is a change in the chemical properties of coal. The coal once burnt cannot be converted back into its original form.

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